[INFO] cloning repository https://github.com/alusch/dotclock
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alusch/dotclock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falusch%2Fdotclock"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falusch%2Fdotclock'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f85d82645b55c609a9f292ac8f8a54ef4d0c1059
[INFO] checking alusch/dotclock against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falusch%2Fdotclock" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alusch/dotclock on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/alusch/dotclock
[INFO] finished tweaking git repo https://github.com/alusch/dotclock
[INFO] tweaked toml for git repo https://github.com/alusch/dotclock written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/alusch/dotclock already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 019bb83f993f9707cff279c0cc231f73ac398fc598f15eb91c7f3f99ee55dd04
[INFO] running `"docker" "start" "-a" "019bb83f993f9707cff279c0cc231f73ac398fc598f15eb91c7f3f99ee55dd04"`
[INFO] [stderr]     Checking bit-set v0.3.0
[INFO] [stderr]     Checking backtrace-sys v0.1.24
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking bdf v0.5.5
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking flipdot-core v0.4.0 (https://github.com/alusch/flipdot#eeea7db2)
[INFO] [stderr]     Checking flipdot-serial v0.4.0 (https://github.com/alusch/flipdot#eeea7db2)
[INFO] [stderr]     Checking flipdot-testing v0.4.0 (https://github.com/alusch/flipdot#eeea7db2)
[INFO] [stderr]     Checking flipdot v0.4.0 (https://github.com/alusch/flipdot#eeea7db2)
[INFO] [stderr]     Checking dotclock v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.67s
[INFO] running `"docker" "inspect" "019bb83f993f9707cff279c0cc231f73ac398fc598f15eb91c7f3f99ee55dd04"`
[INFO] running `"docker" "rm" "-f" "019bb83f993f9707cff279c0cc231f73ac398fc598f15eb91c7f3f99ee55dd04"`
[INFO] [stdout] 019bb83f993f9707cff279c0cc231f73ac398fc598f15eb91c7f3f99ee55dd04